Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 197 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
new file mode 100644
index 000000000..08cbeb706
--- /dev/null
+++ b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
@@ -0,0 +1,197 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#define  __INCLUDE_FROM_AUDIO_DRIVER
+#define  __INCLUDE_FROM_AUDIO_DEVICE_C
+#include "AudioClassDevice.h"
+
+void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+	if (!(Endpoint_IsSETUPReceived()))
+	  return;
+
+	if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+	{
+		uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF);
+
+		if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) &&
+		    (InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber))
+		{
+			return;
+		}
+	}
+	else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+	{
+		uint8_t EndpointAddress = (USB_ControlRequest.wIndex & 0xFF);
+
+		if ((EndpointAddress != AudioInterfaceInfo->Config.DataINEndpoint.Address) &&
+		    (EndpointAddress != AudioInterfaceInfo->Config.DataOUTEndpoint.Address))
+		{
+			return;
+		}
+	}
+
+	switch (USB_ControlRequest.bRequest)
+	{
+		case REQ_SetInterface:
+			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
+			{
+				Endpoint_ClearSETUP();
+				Endpoint_ClearStatusStage();
+
+				AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
+				EVENT_Audio_Device_StreamStartStop(AudioInterfaceInfo);
+			}
+
+			break;
+		case AUDIO_REQ_GetStatus:
+			if ((USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) ||
+			    (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT)))
+			{
+				Endpoint_ClearSETUP();
+				Endpoint_ClearStatusStage();
+			}
+
+			break;
+		case AUDIO_REQ_SetCurrent:
+		case AUDIO_REQ_SetMinimum:
+		case AUDIO_REQ_SetMaximum:
+		case AUDIO_REQ_SetResolution:
+			if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+			{
+				uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+				uint8_t EndpointAddress  = (uint8_t)USB_ControlRequest.wIndex;
+				uint8_t EndpointControl  = (USB_ControlRequest.wValue >> 8);
+
+				if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+				                                                 EndpointControl, NULL, NULL))
+				{
+					uint16_t ValueLength = USB_ControlRequest.wLength;
+					uint8_t  Value[ValueLength];
+
+					Endpoint_ClearSETUP();
+					Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+					Endpoint_ClearIN();
+
+					CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+					                                             EndpointControl, &ValueLength, Value);
+				}
+			}
+			else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+			{
+				uint8_t  Property  = USB_ControlRequest.bRequest;
+				uint8_t  Entity    = (USB_ControlRequest.wIndex >> 8);
+				uint16_t Parameter = USB_ControlRequest.wValue;
+
+				if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+				                                                  Parameter, NULL, NULL))
+				{
+					uint16_t ValueLength = USB_ControlRequest.wLength;
+					uint8_t  Value[ValueLength];
+
+					Endpoint_ClearSETUP();
+					Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+					Endpoint_ClearIN();
+
+					CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+				                                                  Parameter, &ValueLength, Value);
+				}
+			}
+
+			break;
+		case AUDIO_REQ_GetCurrent:
+		case AUDIO_REQ_GetMinimum:
+		case AUDIO_REQ_GetMaximum:
+		case AUDIO_REQ_GetResolution:
+			if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+			{
+				uint8_t  EndpointProperty = USB_ControlRequest.bRequest;
+				uint8_t  EndpointAddress  = (uint8_t)USB_ControlRequest.wIndex;
+				uint8_t  EndpointControl  = (USB_ControlRequest.wValue >> 8);
+				uint16_t ValueLength      = USB_ControlRequest.wLength;
+				uint8_t  Value[ValueLength];
+
+				if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+				                                                 EndpointControl, &ValueLength, Value))
+				{
+					Endpoint_ClearSETUP();
+					Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+					Endpoint_ClearOUT();
+				}
+			}
+			else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+			{
+				uint8_t  Property    = USB_ControlRequest.bRequest;
+				uint8_t  Entity      = (USB_ControlRequest.wIndex >> 8);
+				uint16_t Parameter   = USB_ControlRequest.wValue;
+				uint16_t ValueLength = USB_ControlRequest.wLength;
+				uint8_t  Value[ValueLength];
+
+				if (CALLBACK_Audio_Device_GetSetInterfaceProperty(AudioInterfaceInfo, Property, Entity,
+				                                                  Parameter, &ValueLength, Value))
+				{
+					Endpoint_ClearSETUP();
+					Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+					Endpoint_ClearOUT();
+				}
+			}
+
+			break;
+	}
+}
+
+bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
+{
+	memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
+
+	AudioInterfaceInfo->Config.DataINEndpoint.Type  = EP_TYPE_ISOCHRONOUS;
+	AudioInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_ISOCHRONOUS;
+
+	if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataINEndpoint, 1)))
+	  return false;
+
+	if (!(Endpoint_ConfigureEndpointTable(&AudioInterfaceInfo->Config.DataOUTEndpoint, 1)))
+	  return false;
+
+	return true;
+}
+
+void Audio_Device_Event_Stub(void)
+{
+
+}
+
+#endif
+